Programmable one-pot polymerase-mediated DNA synthesis via temperature control.

Area of Science:

• Biotechnology
• Molecular Biology
• Nanotechnology

Background:

• Programmable DNA synthesis is crucial for biotechnology.
• Current methods require solution exchange, increasing reagent use and workflow complexity.

Purpose of the Study:

• Introduce a novel, programmable DNA synthesis platform: TEmperature Mediated Primer Exchange Reaction (TEMPER).
• Enable arbitrary DNA synthesis through temperature control alone, eliminating solution exchange.

Main Methods:

• Utilize hairpin DNA as temperature-responsive building blocks.
• Design hairpin length to define specific temperature ranges for selective DNA synthesis.
• Achieve sequential DNA synthesis in a one-pot reaction via temperature control.

Main Results:

• Demonstrate TEMPER's programmability and efficiency in arbitrary DNA synthesis.
• Successfully developed a DNA data storage writer using the TEMPER platform.
• Created a colorimetric temperature indicator and a temperature data logger.

Conclusions:

• TEMPER offers a versatile, one-pot DNA synthesis solution without solution exchange.
• The platform has broad potential in nanotechnology and biotechnology.
• TEMPER facilitates advanced applications like DNA data storage and temperature sensing.